A secret contact was found in the big data survey, but is the health code a green hazard?

Danger, a high probability of receiving fraud information, receiving text messages related to the epidemic, we must verify with the community at the first time. Whether isolation is needed is based on whether the cardholder has stayed in the epidemic-prone area, not on the health code and the color of the communication big data travel card. Health code is a personal two-dimensional code based on actual real data, which is generated by citizens or people who have returned to work on their own online declaration and background audit.